<?php

/**
 * UserIdentity represents the data needed to identity a user.
 * It contains the authentication method that checks if the provided
 * data can identity the user.
 */
class UserIdentity extends CUserIdentity
{
	/**
	 * Authenticates a user.
	 * The example implementation makes sure if the username and password
	 * are both 'demo'.
	 * In practical applications, this should be changed to authenticate
	 * against some persistent user identity storage (e.g. database).
	 * @return boolean whether authentication succeeds.
	 */
	
	protected  $_userid;
	public function authenticate()
	{
		/*
		$users=array(
			// username => password
			'demo'=>'demo',
			'admin'=>'admin',
		);*/
		
		$user = User::model()->find('customer_login=?', array($this->username));
		
		if( $user === null )
			$this->errorCode=self::ERROR_USERNAME_INVALID;
		elseif( $user->customer_pass  !==md5($this->password))
			$this->errorCode=self::ERROR_PASSWORD_INVALID;
		else{
			$this->errorCode=self::ERROR_NONE;
			$this->_userid = $user->ID;
		}
			
		return !$this->errorCode;
	}
	
	function getID()
	{
		return $this->_userid;
	}
}